Articles | Volume 15, issue 2
https://doi.org/10.5194/cp-15-463-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/cp-15-463-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
20 Mar 2019
Research article |
| 20 Mar 2019
| 20 Mar 2019
Western Mediterranean hydro-climatic consequences of Holocene ice-rafted debris (Bond) events
Christoph Zielhofer
CORRESPONDING AUTHOR
Institute of Geography, Leipzig University, Leipzig, 04103, Germany
Anne Köhler
Institute of Geography, Leipzig University, Leipzig, 04103, Germany
Steffen Mischke
Faculty of Earth Sciences, University of Iceland, Reykjavík, 101, Iceland
Abdelfattah Benkaddour
Department of Earth Sciences, Faculty of Science and Technology, Cadi Ayyad University, Marrakech-Guéliz, Morocco
Abdeslam Mikdad
Institut National des Sciences de l'Archéologie et du Patrimoine, Rabat, Morocco
William J. Fletcher
Department of Geography, School of Environment, Education and Development, University of Manchester, Manchester, M13 9PL, UK
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Revised manuscript not accepted
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The climate history of the Pamir Mountains (Tajikistan) during the last ~29 kyr was investigated using sediments from Lake Karakul as environmental archive. The inferred lake level was highest from the Late Glacial to the early Holocene and lake changes were mainly coupled to climate change. We conclude that the joint influence of Westerlies and Indian Monsoon during the early Holocene caused comparatively moist conditions, while dominating Westerlies yielded dry conditions since 6.7 cal kyr BP.
Related subject area
Subject: Teleconnections | Archive: Terrestrial Archives | Timescale: Centennial-Decadal
A series of climate oscillations around 8.2 ka revealed through multi-proxy speleothem records from North China
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Pengzhen Duan, Hanying Li, Zhibang Ma, Jingyao Zhao, Xiyu Dong, Ashish Sinha, Peng Hu, Haiwei Zhang, Youfeng Ning, Guangyou Zhu, and Hai Cheng
Clim. Past, 20, 1401–1414, https://doi.org/10.5194/cp-20-1401-2024, https://doi.org/10.5194/cp-20-1401-2024, 2024
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We use multi-proxy speleothem records to reveal a two droughts–one pluvial pattern during 8.5–8.0 ka. The different rebounded rainfall quantity after two droughts causes different behavior of δ13C, suggesting the dominant role of rainfall threshold on the ecosystem. A comparison of different records suggests the prolonged 8.2 ka event is a globally common phenomenon rather than a regional signal. The variability of the AMOC strength is mainly responsible for these climate changes.
K. Schollaen, C. Karamperidou, P. Krusic, E. Cook, and G. Helle
Clim. Past, 11, 1325–1333, https://doi.org/10.5194/cp-11-1325-2015, https://doi.org/10.5194/cp-11-1325-2015, 2015
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Indonesia’s climate has been linked to El Niño-Southern Oscillation (ENSO) events that often result in extensive droughts and floods over Indonesia. In this study we investigate ENSO-related signals in a tree-ring δ18O record of Javanese teak. Our results reveal a clear influence of Warm Pool El Niño events on Javanese tree-ring δ18O. These results illustrate the importance of considering ENSO flavors when interpreting palaeoclimate proxy records in the tropics.
D. Zanchettin, O. Bothe, F. Lehner, P. Ortega, C. C. Raible, and D. Swingedouw
Clim. Past, 11, 939–958, https://doi.org/10.5194/cp-11-939-2015, https://doi.org/10.5194/cp-11-939-2015, 2015
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A discrepancy exists between reconstructed and simulated Pacific North American pattern (PNA) features during the early 19th century. Pseudo-reconstructions demonstrate that the available PNA reconstruction is potentially skillful but also potentially affected by a number of sources of uncertainty and deficiencies especially at multidecadal and centennial timescales. Simulations and reconstructions can be reconciled by attributing the reconstructed PNA features to internal variability.
M. Berkelhammer, A. Sinha, M. Mudelsee, H. Cheng, K. Yoshimura, and J. Biswas
Clim. Past, 10, 733–744, https://doi.org/10.5194/cp-10-733-2014, https://doi.org/10.5194/cp-10-733-2014, 2014
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Short summary
Based on a Holocene oxygen stable isotope record from Lake Sidi Ali (Morocco) we correlate Western Mediterranean precipitation anomalies with North Atlantic ice-rafted debris (Bond) events to identify a probable teleconnection between Western Mediterranean winter rains and subpolar North Atlantic cooling phases. Our data show a noticeable similarity between Western Mediterranean winter rain minima and Bond events during the Early Holocene and an opposite pattern during the Late Holocene.
Based on a Holocene oxygen stable isotope record from Lake Sidi Ali (Morocco) we correlate...
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